51 to 66 of 66
airmail
1957, Nov 6 International Letter Writing Week 1957 issue unwmk (no perf info)
| - | 1p | bl |
1962, Nov 24 50th Anniversary of the Postal Union of Latin America issue
| - | 5.60p | bl |
1967, Dec 20 1967 air issue p. 13.5
| - | 78p | bl |
airmail semipostal
1960, Aug 20 Inter-American Philatelic Exhibition issue (no perf info)
| - | 10.70+5.30p | bl |
1960, Oct 8 United Nations Day 1960 issue p. 13.5
| - | 10.70+5.30p | bl |
official
1884, Aug 12 1884 official a issue wmk. small sun (no perf info)
| - | 12c | bl | ||||
| - | 20c | bl |
1901, Dec 1 1901 official issue wmk. large sun
| - | 30c | bl | Liberty Head |
1960 1960 official issue unwmk (5 stamps)
| - | 3p | bl | ||||
| - | 3p | bl | p. 13.5 (1967) | |||
| - | 20p | bl | ||||
| - | 100p | bl | (1961) | |||
| - | 100p | bl | (1961) |
semipostal
1960, Dec 3 TEMEX issue - flowers (1960 Argentina) p. 13.5
| - | 0.50+0.50p | bl | Jacaranda mimosifolia |
1961, Apr 15 Day of the Americas 1961 issue (no perf info)
| - | 0.50+0.50c | bl |
1961, Oct 21 International Philatelic Exposition 1962 issue
| - | 10+10p | bl |
51 to 66 of 66